As of 2026, over 35 million Ukrainians use the internet — nearly 90% of the population. At the same time, cybercrime is breaking records: database breaches, phishing, social media account hacking.
The good news: most cyber threats can be neutralized with basic steps. No technical education required — just an understanding of the risks and 30 minutes to set up protection.
Why Data Protection Matters Right Now
In the past, cyber threats seemed distant — “they hack big companies, not me.” In 2026, that logic no longer works.
Attackers have automated their attacks: a bot can try millions of passwords per minute, send millions of phishing emails without human involvement. Anyone can become a victim.
What can happen if your data is stolen:
- Bank account hacking and loss of money
- Theft of social media accounts for fraud
- Use of personal data to take out loans
- Blackmail using personal photos or messages
- Sale of your data on the dark web
Each of these scenarios is real and happens every day. The good news — most preventive measures are free and simple.
Part 1 — Passwords and Authentication

Tip 1 — Use a Unique Password for Every Account
This is rule #1 of digital security — and the most frequently broken.
If you use one password everywhere and it falls into the hands of an attacker (for example, through a small website breach) — the hacker automatically gains access to all your accounts: email, bank, social media.
What to do: use a password manager. It generates and stores unique complex passwords for each site — you only need to remember one master password.
Recommended password managers:
- Bitwarden — free and open source, the most reliable choice
- 1Password — convenient for families, $3/month
- KeePass — fully local, no cloud
Tip 2 — Create Strong Passwords
A good password in 2026 is not “qwerty123” or your date of birth.
Rules for a strong password:
- Minimum 12 characters (16+ is better)
- Combination of uppercase and lowercase letters, numbers, symbols (!@#$%)
- Do not use dictionary words
- Do not include personal information (name, date of birth)
Example of a strong password: K7#mRv!pL9@qX3&w — impossible to crack even in millions of years.
If you don’t want a manager — use a passphrase: several random words together. For example: Watermelon-Star-Umbrella-42 — long, but easy to remember.
Tip 3 — Enable Two-Factor Authentication Everywhere You Can
Two-factor authentication (2FA) — a second layer of protection beyond your password. Even if someone learns your password, they can’t get in without the second factor.
Types of 2FA (from weakest to strongest):
- SMS code — convenient, but weak (can be intercepted via SIM swap)
- Authenticator app (Google Authenticator, Authy) — much more reliable
- Hardware key (YubiKey) — the most reliable option for critical accounts
Where to enable it first: Gmail, Apple ID, Facebook, Instagram, Telegram, banking apps.
How to enable: go to account security settings → find “Two-step verification” or “Two-factor authentication” → follow the instructions.
TechVisor tip: install Google Authenticator or Authy and enable 2FA at least for your email and bank — this alone will close 80% of risks.
Part 2 — Device Protection
Tip 4 — Update Your Software on Time
Most successful cyberattacks exploit vulnerabilities in outdated software. Updates close these gaps.
What to update:
- Operating system (Windows, macOS, Android, iOS)
- Browser (Chrome, Firefox, Safari)
- All installed apps
- Antivirus and security software
Enable automatic updates — so you don’t have to think about it.
Tip 5 — Install Antivirus and Enable the Built-in Defender
Windows has a built-in Windows Defender — in 2026 it is powerful enough for most threats and free. Enable it if it’s turned off.
An additional antivirus is worth installing if you frequently download files from unreliable sources or visit suspicious sites.
Recommended antivirus software:
- Malwarebytes — free version for manual scanning
- Bitdefender — one of the best paid options
On Android — avoid unknown APK files outside of Google Play. On iPhone — iOS is secure enough on its own.
Tip 6 — Encrypt Data on Your Device
If your smartphone or laptop is stolen — the attacker should not have access to your data.
On smartphone: modern iOS and Android encrypt data automatically when a PIN or Face ID is enabled.
On Windows: enable BitLocker (for Windows Pro) or Device Encryption — Settings → Update & Security → Device Encryption.
On macOS: enable FileVault — System Settings → Privacy & Security → FileVault.
Tip 7 — Set a PIN or Biometrics on All Devices
Basic protection that is surprisingly often ignored. A smartphone without a lock is an open book for anyone.
Minimum: 6-digit PIN. Better: Face ID or fingerprint + backup PIN.
Part 3 — Online Safety

Tip 8 — Use a VPN on Public Wi-Fi Networks
Public Wi-Fi is a favorite place for traffic interception. Coffee shops, hotels, airports — all potentially dangerous networks.
VPN encrypts all your traffic — even if someone is “listening” to the network, they only see encrypted data.
Recommendation: Proton VPN Free — free, reliable, easy to install. For more active use — NordVPN or ExpressVPN.
For more about VPN — see our article “Best VPNs for Ukraine 2026.”
Tip 9 — Check HTTPS and Website Certificates
Before entering passwords or payment details — always check:
✅ The address bar starts with https:// (not http://) ✅ There is a padlock icon before the address ✅ The domain name is correct (not go0gle.com instead of google.com)
Phishing sites — fakes of well-known services — are the most common way to steal passwords and card data.
Tip 10 — Be Careful With Public Wi-Fi Even With a VPN
Even with a VPN, avoid:
- Logging into banking apps over unfamiliar Wi-Fi if mobile internet is available
- Leaving your device unattended while connected
- Connecting to password-free networks named things like “Free WiFi Hotel”
Use mobile internet for banking operations — it is more secure than most public Wi-Fi even without a VPN.
Part 4 — Protecting Accounts and Personal Data
Tip 11 — Check Whether Your Email Has Already Been Leaked
Billions of logins and passwords are sold on the dark web after major breaches. There is a chance your email is already in such databases.
Free check: go to haveibeenpwned.com, enter your email. The service will show whether it appears in known breaches.
If so — immediately change passwords on all services where you use this email, enable 2FA.
Tip 12 — Minimize the Amount of Personal Data Online
This is not paranoia — it’s healthy digital hygiene. Don’t provide data if it’s not necessary.
Practical rules:
- Don’t publish your date of birth and phone number publicly on social media
- Don’t photograph or publish documents, bank cards
- Close your social media profiles to strangers
- Don’t list your real address in public profiles
- When registering on suspicious sites — use a temporary email address
Temporary email (for one-time registrations): temp-mail.org, guerrillamail.com — get a disposable address without registration.
Tip 13 — Be Careful With Phishing Emails and Messages
Phishing is the most common type of cyberattack. You receive an email supposedly from your bank, Google, or a delivery service asking you to “confirm your details” or “claim your prize.”
Signs of phishing:
- Urgent demand to act immediately (“your account has been blocked!”)
- Unknown sender or suspicious domain (bank.security.com instead of bank.com)
- Request to enter a password, card number, or CVV
- Grammar mistakes and strange translation
What to do: never click links in suspicious emails. If you think the email is genuine — go to the bank’s website directly through your browser, not through the link in the email.
Tip 14 — Protect Your Financial Data Separately
Banking data is the most attractive target for attackers. Separate rules apply:
- A separate card for online payments — top it up only with the amount of a specific purchase
- Don’t save card details in your browser — especially on sites you visit rarely
- Enable SMS or push notifications for all transactions
- Never share your CVV code and one-time SMS codes even if “the bank is calling”
- Check the URL before making a payment.
Tip 15 — Back Up Your Important Data
Ransomware encrypts all your files and demands a ransom. The protection is a backup copy.
The 3-2-1 rule:
- 3 copies of data
- 2 different storage media (for example, an external drive and the cloud)
- 1 offsite copy (in the cloud or with a trusted person)
Cloud storage: Google Drive (15 GB free), iCloud (5 GB), Proton Drive (1 GB).
Part 5 — Additional Protection Tools
Secure Messengers
If you communicate about important matters — switch to a messenger with end-to-end encryption.
Signal — the most secure messenger. Open source, end-to-end encryption by default. Free.
Telegram — convenient, but basic chats are NOT encrypted. Use “Secret Chats” for sensitive information.
WhatsApp — end-to-end encryption exists, but metadata is collected by Facebook.
Private Browser and Search Engine
Firefox or Brave — more private alternatives to Chrome. Brave blocks ads and trackers by default.
DuckDuckGo — a search engine without tracking. Does not store your search history or build a profile.
Incognito mode — does NOT protect from your provider and websites. It only hides activity from other users of your device.
Check Your Privacy Settings on Social Media
Every few months do a “privacy audit”:
- Which apps have access to your Facebook/Google account
- Who can see your posts (everyone vs friends)
- What data an app requests when installed
Data Protection Checklist — What to Do Right Now

Here is the priority list of actions from most important:
🔴 Urgent (15 minutes):
- Enable 2FA on Gmail and banking apps
- Check your email on haveibeenpwned.com
- Change passwords if found in breaches
🟡 This week (1 hour):
- Install a password manager (Bitwarden — free)
- Enable 2FA on Facebook, Instagram, Telegram
- Check for OS and app updates
- Enable disk encryption on your laptop
🟢 This month (2–3 hours):
- Install Proton VPN Free or NordVPN
- Review privacy settings on social media
- Set up backups for important files
- Install Signal for sensitive communications
Frequently Asked Questions (FAQ)
How to protect your data online for free? Two-factor authentication, Bitwarden (password manager), Proton VPN Free, and checking on haveibeenpwned.com — all free and provide substantial protection.
How to protect personal data on social media? Close your profile to strangers, remove your public date of birth and phone number, review which apps have access to your account. Enable 2FA.
How to protect data on a smartphone? Enable PIN or Face ID, keep iOS/Android updated, don’t install apps outside official stores, use a VPN on public networks.
How to find out if my data has been leaked? Go to haveibeenpwned.com and enter your email. If found — change passwords and enable 2FA.
What is two-factor authentication and is it necessary? 2FA — a second layer of protection after a password (a code from SMS or an app). In 2026 — essential for all important accounts. Without it, a stolen password = a stolen account.
Does incognito mode protect data? No. Incognito only doesn’t save history on your device. Your provider, employer, and websites can still see your traffic. For real protection you need a VPN.
Conclusion
Protecting your personal data online is not about paranoia. It’s about basic digital hygiene, like washing your hands or locking your door.
If you do just three things — this will drastically improve your security:
- Unique passwords via the Bitwarden manager
- Two-factor authentication for email and bank
- VPN on public Wi-Fi networks
Start small. Even one tip put into practice is a step toward protection.
At TechVisor we continue our practical guides. The next article — “How to Earn Money Online — Real Ways for Ukrainians 2026“.
Article prepared by the TechVisor team — practical IT media for people.




